19395950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 41616384

約数和(自身を除く): 22220434

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 151, 175, 302, 350, 367, 734, 755, 1057, 1510, 1835, 2114, 2569, 3670, 3775, 5138, 5285, 7550, 9175, 10570, 12845, 18350, 25690, 26425, 52850, 55417, 64225, 110834, 128450, 277085, 387919, 554170, 775838, 1385425, 1939595, 2770850, 3879190, 9697975, 19395950]

約数ペア:

[(1, 19395950), (2, 9697975), (5, 3879190), (7, 2770850), (10, 1939595), (14, 1385425), (25, 775838), (35, 554170), (50, 387919), (70, 277085), (151, 128450), (175, 110834), (302, 64225), (350, 55417), (367, 52850), (734, 26425), (755, 25690), (1057, 18350), (1510, 12845), (1835, 10570), (2114, 9175), (2569, 7550), (3670, 5285), (3775, 5138)]